Matthias Eisenberg (born 15 January 1956) is a German concert organist and harpsichordist, and a cantor. The award-winning player is known for performing concerts with clarinetist Giora Feidman. He has performed and conducted master classes internationally. He recorded, including the complete organ works by J. S. Bach and improvisations, and has conducted Bach cantatas from the harpsichord in collaboration with the Thomanerchor.